Percival Frost died in 1898.
Percival Stephenson died in 1960.
Percival Mackey's birth name is Thomas Percival Montague Mackey.
Horace Percival was born in c. 1886.
Percival Kinnear Wise was born in 1885.
In chapter four Percival ends up dying
Percival Frost was born in 1817.
Percival Frost has written: 'Elementary treatise on curve tracing'
Percival Marling died in 1936.
Percival Allen died in 2008.
Ian Percival died in 1998.
Percival Brinton died in 1958.
Percival Griffiths died in 1992.
Olive Percival died in 1945.
Peter Percival died in 1882.
Percival Spear died in 1982.
Percival Gibson died in 1970.
Percival Ball died in 1900.